复数： buzzers

Suddenly , he hears the access buzzer from above .

突然，他听到上面传来蜂鸣器的声音。

Name on the buzzer was what ?

蜂鸣器上的名字是什么?

Did they give their subjects a buzzer to press every time they thought about sex ?

他们有没有给被采访对象一个蜂鸣器，让他们每次一想到性就按一下？

Please notify the crew immediately if the buzzer sounds .

听到蜂鸣器发声时，请联络乘务员。

The buzzer rings early on the second evening and I hobble downstairs to answer the door .

第二天傍晚，门铃蜂鸣器嗡嗡地响了起来，我蹒蹒跚跚下到楼下开门。